Bioequivalence Study of Two Dabigatran Etexilate Mesylate Capsules in Healthy Subjects

Launched by THE AFFILIATED HOSPITAL OF GUIZHOU MEDICAL UNIVERSITY · Mar 10, 2025

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Eligibility criteria

• Inclusion Criteria:
• • Healthy male or female subjects over 18 years old ( including 18 years old ) ;
• • Weight index in the range of 19.0 \~ 26.0 kg / m2 ( including the critical value
• • male weight is not less than 50 kg, female weight is not less than 45 kg ;
• • Subjects fully understand the purpose, nature, method and possible adverse reactions of the test, volunteer as subjects, and sign informed consent.
• Exclusion Criteria:
• • The researchers determined that the clinical significance of the cardiovascular system, respiratory system, digestive system, urinary system, endocrine system ;
• • Subjects with clinically significant abnormalities in physical examination, vital signs, laboratory tests ( creatinine clearance \< 80 mL / min ), 12-lead electrocardiogram ( ECG ), or chest X-ray ( posteroanterior and lateral views ) as deemed by the investigator ;
• • Positive results for any of the hepatitis B surface antigen ( HBsAg ), hepatitis B e antigen ( HBeAg ), hepatitis C virus ( HCV ) antibody, human immunodeficiency virus ( HIV ) antibody, or treponema pallidum antibody (TP-Ab) ;
• • The investigators determined a history of clinically significant food, drug allergies or other allergic diseases ( asthma, urticaria, eczema dermatitis, etc. ) or any excipients or similar drugs in dabigatran etexilate mesylate capsules have a history of allergy ;
• • Subjects with coagulopathy, bleeding tendency ( e.g., recurrent gingival bleeding ), history of bleeding events associated with increased risk within the past 6 months, prior intracranial hemorrhage, gastrointestinal bleeding, purpura, active pathological bleeding, or history of intracranial hemorrhage ;
• • Women with a previous history of dysfunctional uterine bleeding, including excessive menstrual bleeding, irregular uterine bleeding, or prolonged menstrual cycles ( length of period \> 7 days ) ;
• • Patients who underwent surgery within 4 weeks before screening ;
• • Those who had a history of drug abuse within 12 months before screening or were positive in urine screening test ;
• • Positive alcohol breath test results, or previous alcohol abuse in the past 3 months ( more than 14 units of alcohol per week : 1 unit = beer about 285mL, or spirits about 25mL, or wine about 100mL ), or can not guarantee the test period abandoned drinkers ;
• • Patients who drank excessive tea, coffee or caffeine-containing beverages for a long time in the past 3 months ( more than 8 cups a day, 1 cup = 250 mL ), or who drank tea, coffee and / or caffeine-containing beverages within 48 hours before the first administration ;
• • Those who have special requirements for diet and cannot comply with a unified diet ( such as intolerance to standard meals, intolerance to lactose, etc. ) or who have difficulty in swallowing, or can not avoid eating grapefruit, grapefruit, mango and other fruits or juices that may affect metabolism ;
• • Smokers in the past 3 months ( daily smoking ≥ 5 ) or can not guarantee to give up smoking during the trial ;
• • Any prescription drugs, non-prescription drugs, and Chinese herbal medicines were used within 14 days before screening ;
• • Anyone who has used any drug that interacts with dabigatran mesylate capsules ( e.g., anticoagulants and antiplatelet aggregating agents, P-gp inhibitors, P-gp inducers, P-gp substrates, other medications affecting P-gp, medications affecting intragastric pH ) in the 4 weeks prior to screening ;
• • Those who have participated in a clinical trial of another drug within 3 months prior to screening ( last visit of the previous trial is calculated as the start time ) ;
• • Those who have donated ≥ 400mL or 2 units of blood or blood products within 3 months prior to screening or those who have lost ≥ 400mL of blood within 6 months ( except for physiologic blood loss in women ) ;
• • Pregnant or breastfeeding women or female subjects who are not using effective contraception within 1 month prior to screening, male subjects ( or their partners ) or female subjects who are planning to become pregnant from the time of signing the informed consent form until 6 months after the last dose, sperm donors or those who are planning to donate eggs, and those who do not wish to use effective contraception during the trial period and for 6 months after the last dose ;
• • Those who do not agree to avoid strenuous exercise for 48 hours prior to trial administration ;
• • Those who have difficulty in collecting blood intravenously or who suffer from needle and blood sickness ;
• • Subjects who, in the opinion of the investigator, are not suitable for participation in this clinical study.